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expand_foreign_keys() no longer uses inspect, refs #420

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Simon Willison 2019-04-06 19:56:07 -07:00
commit 53bf875483
7 changed files with 52 additions and 63 deletions
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12
datasette/inspect.py
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@ -31,17 +31,6 @@ def inspect_views(conn):
return [v[0] for v in conn.execute('select name from sqlite_master where type = "view"')]
def detect_label_column(column_names):
""" Detect the label column - which we display as the label for a joined column.
If a table has two columns, one of which is ID, then label_column is the other one.
"""
if (column_names and len(column_names) == 2 and "id" in column_names):
return [c for c in column_names if c != "id"][0]
return None
def detect_primary_keys(conn, table):
" Figure out primary keys for a table. "
table_info_rows = [
@ -86,7 +75,6 @@ def inspect_tables(conn, database_metadata):
"columns": column_names,
"primary_keys": detect_primary_keys(conn, table),
"count": count,
"label_column": detect_label_column(column_names),
"hidden": table_metadata.get("hidden") or False,
"fts_table": detect_fts(conn, table),
}